Model Comparison
K3.1 Pro
vs. GPT-6 Astra (Max)
Comparing 2 AI models · 0 benchmarks · Kimi, OpenAI
Recommended Pick
KiK3.1 Pro8 metric winsStrongest on: Value, Input price, Output price
Best Value
K3.1 Pro
100.0 value score
55.1 reasoning / $4.00/1M
Lowest Price
K3.1 Pro
$2.00/1M input price
Best Reasoning
K3.1 Pro
55.1 reasoning score
Blends available reasoning benchmarks
Best for Coding
GPT-6 Astra (Max)
76.9 coding index
Differences That Matter
Best value
K3.1 Pro has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
K3.1 Pro is 5.0x cheaper on input tokens than GPT-6 Astra (Max).
Speed gap
GPT-6 Astra (Max) generates about 1.4x as many tokens per second as K3.1 Pro.
Reasoning gap
K3.1 Pro leads GPT-6 Astra (Max) by 2.4 points on reasoning.
Top-pick rationale
K3.1 Pro wins 8 measurable categories, including Value, Input price, Output price, Blended price.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
K3.1 Pro
Kimi
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
GPT-6 Astra (Max)
OpenAI
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Secure AI Chat made in Europe
Use open-weight models like DeepSeek, Qwen and Kimi in one app.
EU-hosted open models, one API
Servers in Germany & Finland. Operated by a German company under the GDPR, DPA available, ISO 27001-certified data centres.
Full Comparison
| Metric | Top Pick Ki K3.1 Pro | Op GPT-6 Astra (Max) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $2.00/1M | $10.00/1M |
| Output Cost | $10.00/1M | $50.00/1M |
| Blended (3:1) | $4.00/1M | $20.00/1M |
| Specifications | ||
| Organization | Kimi | OpenAI |
| Release Date | Oct 23, 2026 | Sep 3, 2026 |
| Performance & Speed | ||
| Throughput | 41.4 tok/s | 59.6 tok/s |
| TTFT | 2890ms | 325990ms |
| Latency | 51160ms | 325990ms |
| Composite Indices | ||
| Value Score | 100.0 | 19.1 |
| Reasoning Score | 55.1 | 52.7 |
| Intelligence | 55.1 | 52.7 |
| Coding | — | 76.9 |
Key Takeaways
K3.1 Pro offers the best value at $2.00/1M,making it ideal for high-volume applications and cost-conscious projects.
K3.1 Pro has the strongest reasoning profile with a 55.1 reasoning score,combining the available reasoning-heavy benchmarks.
GPT-6 Astra (Max) reaches a 76.9 coding index,making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
K3.1 Pro
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
GPT-6 Astra (Max)
- Code generation
- Software development
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